Chapter 1: Knowledge Check

Chapter 1

Quiz yourself using the following chapter review questions to check how well you can recall the material.

Review Questions

1. Advanced machines that use computers to control their operation are referred to as __________.
   1. Lathe
   2. Manual
   3. Computer Numeric Control (CNC)
   4. Mill
2. Which level best describes an entry-level machinist working their first job in the machining industry?
3. Select from the list all of the common duties performed by a machinist.
   1. Clean up the work area
   2. Set up lathes for operation
   3. Create 3D models of finished parts
   4. Measure finished parts
4. Select from the list all of the common duties performed by a machinist.
   1. Clean up the work area – All machinists are responsible for cleaning up and maintaining their work area.
   2. Set up lathes for operation – Set up is a common duty for machinists.
   3. Create 3D models of finished parts – This duty is usually performed by an engineer
   4. Measure finished parts – A primary duty of machinists is measuring finished parts.
5. True of false: Common measuring tools include calipers, micrometers, and scales.
6. Select the traits of a successful machinist.
   1. Detail oriented – Correct. Machinists must be able to follow detailed instructions
   2. Precise – Correct. Machinists must be good with precision
   3. Lack of Punctuality – Wrong, timeliness is important. A machine shop must have staffed machines turning out good parts to be profitable.
   4. Dependable – Correct , machinists must be trusted to follow established procedures and processes.
7. An associate’s degree takes ____ number of years to complete.
   1. 2
   2. 1
   3. 3
   4. 4
8. How many quarters of school are in a typical associate’s degree?
   1. 5
   2. 6
   3. 4
   4. 3
9. If you are unable to complete a two-year associate’s degree, what is another option?
   1. Apprenticeship
   2. Online classes
   3. Bachelor degree
   4. Certificate program
10. Select the best answer for math requirements of an associate’s degree in machining.
    1. You must enjoy math
    2. Simple addition, subtraction, and division are used often
    3. Must take advanced algebra
    4. Must take calculus
11. True or false: Modern technology is a great source for solving math problems in the machining industry.
12. What are some of the common characteristics of a machine shop? Select all that apply.
    1. Must have concrete floors
    2. They can be found almost anywhere
    3. Comfortable and air conditioned
    4. Large space for machines
13. True or false: Some machine shops specialize and have certifications to perform complicated work.
14. True or false: All machine shops are similar in abilities.
15. Select from the list the industries that require an AS9100 certification.
    1. Space – Correct, Space is a growing industry with special requirements
    2. Bicycle Industry – No, these are interesting shops but they do not require special consideration
    3. Aviation – Correct, Aircraft have special considerations
    4. Defense – Correct, Defense has many special requirements
16. True or false: In the machining industry, EDM stands for Electronic Dance Music.
17. True or false: A mill holds the stock in a vise, and the cutting tool rotates.

Answer Key

1. Computer Numeric Control (CNC)
2. Level 1
3. Clean up the work area – All machinists are responsible for cleaning up and maintaining their work area.; Set up lathes for operation – Set up is a common duty for machinists.
4. Clean up the work area – All machinists are responsible for cleaning up and maintaining their work area; Set up lathes for operation – Set up is a common duty for machinists.
5. True – Correct. These three are the primary measuring tools used by machinists.
6. Detail oriented – Correct. Machinists must be able to follow detailed instructions; Precise – Correct. Machinists must be good with precision; Dependable – Correct , machinists must be trusted to follow established procedures and processes
7. An associate’s degree requires at least six quarters usually lasting two years.
8. Two years of three quarters each.
9. Certificate program – Correct. Many colleges have certificate programs which work well for entry level positions
10. Simple addition, subtraction, and division are used often – Correct. You will regularly perform simple arithmetic.
11. True -Internet and Apps are great sources for math help.
12. Must have concrete floors – Correct. CNC machines are heavy and many need modifications to the floor to support their weight; They can be found almost anywhere – Correct. CNC machines are heavy and many need modifications to the floor to support their weight; Large space for machines – Correct. Machines can be large and many shops have lots of them
13. True – Correct! There are industries which require shops to have specific certifications
14. True – Correct! The machines, inspection equipment and staff abilities dictate what kind of jobs a shop can take.
15. Space – Correct, Space is a growing industry with special requirements; Aviation – Correct, Aircraft have special considerations; Defense – Correct, Defense has many special requirements
16. False – EDM stands for Electrical Discharge Machine
17. True – Correct. Because of this, most parts tend not to be round.